Hyundai Sonata: Schematic Diagrams - Cruise Control System - Engine Electrical SystemHyundai Sonata: Schematic Diagrams

System Block Diagram

Component Parts And Function Outline
Component part
Function
Vehicle-speed sensor, ESP/ABS Control Module
Converts vehicle speed to pulse.
ECM
Receives signals from sensor and control switches.
Cruise control indicator
Illuminate when CRUISE main switch is ON (Built into cluster)
Cruise Control switches
CRUISE switch
Switch for automatic speed control power supply.
Resume/Accel switch (RES +)
Controls automatic speed control functions by Resume/Accel switch (Set/Coast switch)
Set/Coast switch (RES -)
Cancel switches
Cancel switch
Sends cancel signals to ECM.
Brake-pedal switch
Transaxle range switch (A/T)
ETC Motor
Regulates the throttle valve to the set opening by ECM.

* ETC Motor : Electronic Throttle Control Motor
    Description and Operation
    Description The cruise control system is engaged by the cruise "ON/OFF" main switch located on right of steering wheel column. The system has the capability to cruise, coast, accelerate and res ...

    Troubleshooting
    Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating accelera ...

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